Climatological Report (Annual)
Issued by NWS Chicago, IL

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000
CXUS53 KLOT 011702
CLARFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1057 AM CST FRI JAN 1 2016

...................................

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             112   07/14/1936
 LOW              -27   01/10/1982
HIGHEST            92   08/15        MM      MM       91  05/31
LOWEST            -16   02/28        MM      MM      -21  02/11
AVG. MAXIMUM     59.5              59.3     0.2     55.7
AVG. MINIMUM     40.0              39.2     0.8     36.2
MEAN             49.7              49.2     0.5     46.0
DAYS MAX >= 90     13              14.9    -1.9        2
DAYS MAX <= 32     50              46.1     3.9       77
DAYS MIN <= 32    121             133.5   -12.5      142
DAYS MIN <= 0      23              11.6    11.4       29

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        56.48   1973
 MINIMUM        22.87   1910
TOTALS          40.03             36.24    3.79    33.50
DAILY AVG.       0.11              0.10    0.01     0.09
DAYS >= .01       109             119.2   -10.2      123
DAYS >= .10        71              67.3     3.7       67
DAYS >= .50        25              23.0     2.0       23
DAYS >= 1.00        9               8.2     0.8        6
GREATEST
 24 HR. TOTAL    2.91   MM                          2.24

SNOWFALL (INCHES)
RECORDS
 TOTAL           84.3   2008
 24 HR TOTAL       MM
 SNOW DEPTH        27   01/16/1979
TOTALS           45.8              36.7     9.1     41.9
SINCE 7/1        14.0              13.1     0.9      3.7
SNOWDEPTH AVG.      1                MM      MM        2
DAYS >= TRACE      54              28.7    25.3       75
DAYS >= 1.0        12              11.0     1.0       13
GREATEST
 SNOW DEPTH        12   02/05                         13
                        02/04
                        02/03
 24 HR TOTAL     10.5   MM                           4.6

DEGREE_DAYS
HEATING TOTAL    6234              6569    -335     7502
 SINCE 7/1       1871              2561    -690     2610
COOLING TOTAL     825               820       5      729
 SINCE 1/1        825               820       5      729

FREEZE DATES
RECORD
 EARLIEST     09/13/1975
 LATEST       05/27/1992
EARLIEST                        10/07
LATEST                          05/01
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    52/020    DATE  07/13
HIGHEST GUST SPEED/DIRECTION    65/330    DATE  07/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           74
NUMBER OF DAYS PC            147
NUMBER OF DAYS CLOUDY        144

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             40     MIXED PRECIP               1
HEAVY RAIN               29     RAIN                      45
LIGHT RAIN              122     FREEZING RAIN              0
LT FREEZING RAIN          7     HAIL                       3
HEAVY SNOW                3     SNOW                      16
LIGHT SNOW               49     SLEET                     11
FOG                     176     FOG W/VIS <= 1/4 MILE     18
HAZE                     72

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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